Mechanical Project on Colpitts Oscillator

As an Engineer you must have heard of Colpitts Oscillator which is used to generate high frequency waves which can range from from 10 kHz to 1000 MHz and are widely used in commercial purposes. They had got a lot of application in “Signals & Systems”. In simple words an oscillator is a mechanical or electronic device that works on the principles of oscillation. A Colpitts oscillator, invented in 1918 and patented 1927 by American engineer Edwin H. Colpitts, is one of a number of designs for LC oscillators, electronic oscillators that use a combination of inductors (L) and capacitors (C) to determine the frequency of oscillation. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.

The Colpitts oscillator is very similar to the shunt-fed Hartley oscillator, except that two capacitors are used in the tank circuit instead of a tapped coil. The Hartley oscillator has a tap between two coils, while the Colpitts has a tap between two capacitors. You can change the frequency of the Colpitts either by varying the inductance of the coil or by varying the capacitance of the two capacitors in the tank circuit.

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This project work mainly focus on 3 points.

1. Disseminate a brief summary about Colpitts Oscillator.
2. Provide an introduction to some of basic electronic components like Inductors,
Capacitors, Resistors and Transistors.
3. Provide an introduction about working of Colpitts Oscillator.

To complete this project Personal Computer Simulation Program (PCSP) and Printed Circuit Board Wizard (PCB) are used. Main component of Colpitts Oscillator are Resistor, Capacitor, Inductor, Tank or LC Circuit and Transistor. Use this report for your reference and study only. All credit goes to its authors.

Author:- Rasikh Tariq & Mehroze Ali Najmi

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